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Finding the Fourth Proportional to 38,758.56, 58,143.72 and 16,572

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Solution

The fourth proportional to 38,758.56, 58,143.72 and 16,572 is: 24,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,758.56 : 58,143.72 = 16,572 : x
  2. Step 2: Convert to fraction form
    38,758.56/58,143.72 = 16,572/x
  3. Step 3: Cross multiply
    38,758.56x = 58,143.72 × 16,572
  4. Step 4: Simplify right side
    38,758.56x = 963,557,727.84
  5. Step 5: Solve for x
    x = 963,557,727.84/38,758.56
  6. Step 6: Final answer
    x = 24,860.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.